🔍🌱💧

#soil nutrients #plant health #trace minerals in soil #hydroponics #essential plant nutrient #trace analysis

🔬/🅱️

#parts per billion #microscopic #trace analysis #billionth

🧪📉

#parts per million #ppm #low concentration #detection limit #trace analysis

🧪🔬🅱️

#parts per billion #lab analysis #trace analysis #billionth